电动楔式阀 electric wedge valve
楔式闸阀 Wedge Gate Valves ; Wedge gate ale ; Swing Check Valves
电动楔式闸阀 Electric Actuated Wedge Gate Valves ; Electric wedge-style valve ; Angle Type Globe Valves ; Electric Actuated Wedge Gate Valve
暗杆楔式闸阀 non-rising stem wedge sluice valve ; non-rising stem wedge gate valve ; INSIDE SCREW WEDGE GATE VALVES
暗杆楔式单闸板闸阀 Non Rising Stem Single
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